generative nucleus


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generative nucleus

one of two HAPLOID nuclei found within the POLLEN GRAINS of flowering plants, which enters the pollen tube when it is produced, divides by MITOSIS, and becomes the male gamete nucleus which fuses with the female egg cell at FERTILIZATION.
References in periodicals archive ?
Therefore, a darker generative nucleus and a lighter vegetative nucleus appear.
The nucleus is then divided during mitosis into two nuclei, a small generative nucleus, and large vegetative nucleus, hence the name bi-nucleated pollen grain, which is in accordance with findings of chehregani and jafari [8,16].